solar panels output

4 Posts
Apr 23, 2010 03:40 am
solar panels output

Ihave the option of installing a 200w panel or 2-100w panels in parallel.which option should i take and why
shaman abla
Apr 23, 2010 04:49 pm
Re: solar panels output

Well, there is a phrase that is used Shaman Abla, maybe you have heard it? It goes "All things being equal..."


If I were to assume that you have found these particular PV modules to be of equal abilities then, all things being equal, I would use the single 200 PV module.
Simple, less wiring to do and the mounting would be less complex.

Without particulars on the PV modules and the intended region ie; equatorial, polar, or a median, I can't help you any more than that.
4 Posts
Apr 24, 2010 02:58 pm
Re: solar panels output

Thank you for your reply
8 Posts
May 10, 2010 12:15 pm
Re: solar panels output

Hello Shaman,

Thomas has it right in that "all things being equal", 1 solar module is easier to install and wire up correctly than 2.  That said, don't rely solely on wattage of the PV modules in question as your criteria for the equality of the modules. 

Just because the output way be the same in terms of watts, that does not mean that the two options would work equally as well.  They may operate at different voltages, even if the output in wattage is the same.  This effects the other components in a system, or may not allow one option to be used with other equipment.

Be sure to consider all of the specifications of the solar modules you are considering, not just the raw output. 

I hope that helps!

Eric Pedersen
AltE(R) Staff

Making Renewable Do-ableā„¢
T: 877.878.4060 x141 or +1.978.562.5858 x141
eric @

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